A dairy cow can produce more milk when listening to music.
446
During World War 1, starving wolves amassed in such great numbers that Germans and Russians had a temporary cease fire to fight off the wolf attacks.
45
The elephant brain weighs about 6,000g.
274
The elephant shrew’s closest relative isn’t a shrew — it’s actually an elephant
9
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
Rattlesnake mating sessions have been known to last more than 22 hours.
232
Sheep, goats, octopuses, and toads have rectangular pupils.
7
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212